Active Members. 
Barnhill, Dr. T. F., Indianapolis. 
Professor of Surgery, Indiana University School of Medicine. 
Barr, Harry L., Stockland, Illinois. 
Botany and Physics. 
Bates, William H., 403 Russell Street. West Lafayette. 
Associate Professor of Mathematics, Purdue University. 
Beals, Colonzo C., 103 Russell St., Hammond. 
Botany. 
Begeman, Hilda, Sanborn. 
Assistant in Physics, Indiana University. 
Begeman, Lulu, Sanborn. 
Mathematics Teacher, Sanborn High School. 
Berteling, Dr. J. B., 228 Colfax Ave., South Bend. 
Practice of Medicine. 
Bishop, Harry Eldridge, 3344 Michigan Avenue, Chicago. 
Food Chemist, Glass Container Association of Chicago. 
Black, Homer F., Valparaiso. 
Professor of Mathematics, Valparaiso University. 
Bliss, Dr. George S., Fort Wayne. 
Physician, State School for Feeble-Minded. 
Bockstahler, Lester, Bloomington. 
Physics Department, Indiana University. 
Bond, Dr. Charles S., 112 N. 10th Street, Richmond. 
Physician. 
Bond, Dr. George S., Indianapolis. 
Indiana University School of Medicine. 
Bonns, Walter W., Indianapolis, care of Eli Lilly & Co. 
Director of Botanical Department. 
Plant Physiology. 
Bourke, Adolphus A., 2304 Liberty Avenue, Terre Haute. 
Instructor in Physics, Zoology and Geography. 
Brossman, Charles, 1503 Merchants Bank Building, Indianapolis. 
Consulting Engineer. 
Water Supply, Sewage Disposal, Sanitary Engineering. 
Bruce, Edwin M., 2108 N. 10th St., Terre Haute. 
Professor of Chemistry, Indiana State Normal School. 
Bybee, Halbert P., University Station, Austin, Texas. 
Adjunct Professor of Geology, University of Texas. 
Byers, Cecil W., 408 Russell St., West Lafayette. 
Assistant in Physics, Purdue University. 
Campbell, Elmer G., 220 Sylvia Street, West Lafayette. 
Assistant Professor of Agr. Botany, Purdue University. 
Canis, Edward N., Route A-2, Box 372-A, Indianapolis. 
Nature Study. 
Caparo, Jose Angel, Notre Dame. 
Professor of Physics and Mathematics, University of Notre Dame. 
Mathematics, Physics, Electrical Engineering. 
Carr. Ralph H., 27 N. Salisbury St.. West Lafayette. 
Professor of Agricultural Chemistry, Purdue University. 
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